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Simple Linear Regression - Minitab
Simple Linear Regression A materials engineer at a furniture manufacturing site wants to assess the stiffness of their particle board. The engineer measures the stiffness and the density of a sample of particle board pieces. The engineer uses Linear Regression to determine if density is associated with stiffness. 1. Open the sample data, 2. Choose Stat > Regression > Fitted Line Plot. 3. In Response, enter Stiffness. 4. In Predictor, enter Density. 5. Click Options, and then select Display confidence interval and Display prediction interval. 6. Click OK in each dialog. Interpreting the results The p-value for the Regression model is Because the p-value is less than the significance level of , the engineer can conclude that the association between stiffness and density is statistically significant. However, there appears to be an outlier in the top right corner of the fitted line plot.
WWW.MINITAB.COM Simple Linear Regression A materials engineer at a furniture manufacturing site wants to assess the stiffness of their particle board.
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